Clive Shepherd writes in defense of page turners and I agree. It is not that page turners as such are boring but the way content is written and presented makes it boring. And the same could well happen to content with high level of interactivity.
To me content in any form needs to be engaging. Engaging content is more important than interactive content. I tell my team Harry Potter book is engaging, and it doesn’t have an iota of interactivity. In my personal learning environment, I read many blogs. None of them are interactive yet all of them are very engaging. Does interactivity make the content engaging? Not necessarily. I have seen many courses with interactivity for the sake of interactivity. Even interactivity needs to work towards making the content more engaging.